diff --git a/packages/client-app/package.json b/packages/client-app/package.json
index 08ddac412..126905adc 100644
--- a/packages/client-app/package.json
+++ b/packages/client-app/package.json
@@ -97,7 +97,7 @@
     "request-progress": "^0.3",
     "rimraf": "2.5.2",
     "runas": "^3.1",
-    "rx-lite": "^4.0.7",
+    "rx-lite": "4.0.8",
     "rx-lite-testing": "^4.0.7",
     "sanitize-html": "1.9.0",
     "season": "^5.1",
diff --git a/packages/isomorphic-core/package.json b/packages/isomorphic-core/package.json
index f98a4c270..be5c1c428 100644
--- a/packages/isomorphic-core/package.json
+++ b/packages/isomorphic-core/package.json
@@ -10,7 +10,7 @@
     "nodemailer": "2.5.0",
     "promise-props": "1.0.0",
     "promise.prototype.finally": "1.0.1",
-    "rx": "4.1.0",
+    "rx-lite": "4.0.8",
     "sequelize": "3.28.0",
     "underscore": "1.8.3",
     "xoauth2": "1.2.0"